lapb_data_request identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/lapb.h, line 60 (as a prototype)

Defined in 1 files as a function:

net/lapb/lapb_iface.c, line 367 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/net/wan/lapbether.c lapbeth_xmit() -> lapb_data_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->priv->up	1
PARAM_VALUE	0	dev->priv->up_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
CAPPED_DATA	1	skb	1
DATA_SOURCE	0	dev	$1
DATA_SOURCE	1	skb	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->data_len	0-2147483648[c]
HOST_DATA	1	skb->next->csum_offset	0-u16max
HOST_DATA	1	skb->next->data_len	0-u32max[c]
HOST_DATA	1	skb->next->len	1-u32max[c]
HOST_DATA	1	skb->prev->csum_offset	0-u16max
HOST_DATA	1	skb->prev->data_len	0-u32max[c]
HOST_DATA	1	skb->prev->len	0-u32max[c]
HOST_DATA	1	skb->prev->truesize	0-u32max
HOST_DATA	1	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*skb->data	0-255
NO_OVERFLOW_SIMPLE	0	dev->group
NO_OVERFLOW_SIMPLE	0	dev->num_tc
NO_OVERFLOW_SIMPLE	0	dev->proto_down
NO_OVERFLOW_SIMPLE	0	dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->data_len
NO_OVERFLOW_SIMPLE	1	skb->dev->group
NO_OVERFLOW_SIMPLE	1	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	1	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->end
NO_OVERFLOW_SIMPLE	1	skb->extensions
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->prev->data_len
NO_OVERFLOW_SIMPLE	1	skb->prev->end
NO_OVERFLOW_SIMPLE	1	skb->prev->len
NO_OVERFLOW_SIMPLE	1	skb->prev->tail
NO_OVERFLOW_SIMPLE	1	skb->prev->truesize
NO_OVERFLOW_SIMPLE	1	skb->tail
NO_OVERFLOW_SIMPLE	1	skb->truesize
LOCK2		&lapbeth->up_lock
LOCK2		bh
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read
HALF_LOCKED2	0	&dev->tx_global_lock
TYPE_LOCK		(struct lapbethdev)->up_lock

drivers/net/wan/hdlc_x25.c x25_xmit() -> lapb_data_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->ndisc_ops->fill_addr_option	9149257602806276096
PARAM_VALUE	0	dev->ndisc_ops->parse_options	4570881757937598464
PARAM_VALUE	0	dev->ndisc_ops->update	8455145027589103616
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	1	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	1	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	1	skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
DATA_SOURCE	0	dev	$1
DATA_SOURCE	1	skb	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->data_len	0-2147483648[c]
HOST_DATA	1	skb->next->csum_offset	0-u16max
HOST_DATA	1	skb->next->data_len	0-u32max[c]
HOST_DATA	1	skb->next->len	1-u32max[c]
HOST_DATA	1	skb->prev->csum_offset	0-u16max
HOST_DATA	1	skb->prev->data_len	0-u32max[c]
HOST_DATA	1	skb->prev->len	0-u32max[c]
HOST_DATA	1	skb->prev->truesize	0-u32max
HOST_DATA	1	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*skb->data	0-255
NO_OVERFLOW_SIMPLE	0	dev->group
NO_OVERFLOW_SIMPLE	0	dev->num_tc
NO_OVERFLOW_SIMPLE	0	dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->data_len
NO_OVERFLOW_SIMPLE	1	skb->dev->group
NO_OVERFLOW_SIMPLE	1	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->end
NO_OVERFLOW_SIMPLE	1	skb->extensions
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->prev->data_len
NO_OVERFLOW_SIMPLE	1	skb->prev->end
NO_OVERFLOW_SIMPLE	1	skb->prev->len
NO_OVERFLOW_SIMPLE	1	skb->prev->tail
NO_OVERFLOW_SIMPLE	1	skb->prev->truesize
NO_OVERFLOW_SIMPLE	1	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	skb->tail
NO_OVERFLOW_SIMPLE	1	skb->truesize
LOCK2		&x25st->up_lock
LOCK2		bh
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read
HALF_LOCKED2	0	&dev->tx_global_lock
TYPE_LOCK		(struct x25_state)->up_lock